Harris announced via Facebook that Motion will see contributions from No Doubt frontwoman Gwen Stefani, UK R&B/pop star Tinashe, indie trio Haim, Dutch DJ Firebeatz, Manchester duo Hurts, and UK trio All About She. Harris also unveiled two more track titles/collaborations including one called Overdrive with Unmet Ozcan and another called Burnin’ with R3hab. It looks like Harris is also going to be singing a few himself, who says in the post “there’s a couple more with me singing.” The iTunes page lists a total of 15 tracks, with Under Control featuring Hurts, Blame featuring John Newman, and Summer already included in the tracklist.